<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script>

function boom()
{
    document.documentElement.style.animation = "137438953471s bounce";
    document.documentElement.offsetHeight;
    document.documentElement.style.animationIterationCount = "infinite";
}

</script>
</head>

<body onload="boom();"></body>
</html>
